Siemens 3RB31334UB0 12.5-50A Solid State Overload Relay

Siemens 3RB31334UB0 12.5-50A Solid State Overload Relay

Description

Protects three‑phase motors from overload, phase failure, or imbalance. Adjustable for currents between 12.5 to 50 amps. Installs on a matching contactor. Includes manual or automatic reset, and has auxiliary contacts for signaling/trip indication.

Key Specs

Current Range: 12.5 ‑ 50 A

Poles: 3 

Auxiliary Contacts: 1 NO + 1 NC 

Coil / Main Voltage: up to 690 V AC

Mounting: Contactor mounting, screw terminals

Operating Temp: ‑25°C to +60°C

Dimensions: ~ 99 mm H × 55 mm W × 104 mm D